Side by side
Spinnaker Bradner GMTvsTSAO Baltimore OLD BAY Timepiece
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Bradner GMT42mm
OLD BAY Timepiece40mm
Power Reserve
Bradner GMT40h
OLD BAY Timepiece41h
Water Resistance
Bradner GMT180m
OLD BAY Timepiece200m
MSRP
Bradner GMT$299
OLD BAY Timepiece$550
Full specifications
Case
7 specsCategory
GMT
—
Diameter
42mm
40mm
Thickness
15mm
13.2mm
Lug-to-Lug
50mm
46mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
180m
200m
Crystal & Dial
1 specsDial Color
Brown
—
Movement
2 specsCaliber
Seiko NH34A
Seiko NH38
Power Reserve
40h
41h
Pricing
1 specsMSRP
$299
$550
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